This is an arm set for underwater cameras made by Nauticam. I am selling it because I no longer need it. If you are interested in underwater cameras or want to expand your setup, please consider this. Various arms + long clamp Total list price: Approximately ¥39,160 NA Arm 75mm Effective length: 75mm Weight: 45g #40190 ¥5,800 (tax included ¥6,380) NA Arm 125mm Effective length: 125mm Weight: 58g #40192 ¥7,800 (tax included ¥8,580) NA YS Adapter 50mm Effective length: 50mm Weight: ・NA Hot Shoe Base A base adapter that attaches to the accessory shoe of a housing or boat. #40188 ¥7,800 (tax included ¥8,580) ・Extension Clamp A wide clamp that can be used as an arm. Effective length: 76mm #40237 ¥8,600 (tax included ¥9,460)